diff --git a/addon/web/web.go b/addon/web/web.go
index 392d541..ac8f162 100644
--- a/addon/web/web.go
+++ b/addon/web/web.go
@@ -1,6 +1,8 @@
 package web
 
 import (
+	"embed"
+	"io/fs"
 	"net/http"
 	"sync"
 
@@ -12,6 +14,9 @@ import (
 
 var log = _log.WithField("at", "web addon")
 
+//go:embed client/build
+var assets embed.FS
+
 func (web *WebAddon) echo(w http.ResponseWriter, r *http.Request) {
 	c, err := web.upgrader.Upgrade(w, r, nil)
 	if err != nil {
@@ -51,7 +56,13 @@ func NewWebAddon() *WebAddon {
 
 	web.serverMux = new(http.ServeMux)
 	web.serverMux.HandleFunc("/echo", web.echo)
-	web.serverMux.Handle("/", http.FileServer(http.Dir("addon/web/client/build")))
+
+	// web.serverMux.Handle("/", http.FileServer(http.Dir("addon/web/client/build")))
+	fsys, err := fs.Sub(assets, "client/build")
+	if err != nil {
+		panic(err)
+	}
+	web.serverMux.Handle("/", http.FileServer(http.FS(fsys)))
 
 	web.server = &http.Server{Addr: web.addr, Handler: web.serverMux}
 	log = log.WithField("in", "WebAddon")
diff --git a/go.mod b/go.mod
index c4bc7eb..fc97630 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/lqqyt2423/go-mitmproxy
 
-go 1.15
+go 1.16
 
 require (
 	github.com/andybalholm/brotli v1.0.1